/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.cassandra.service;

import java.util.concurrent.TimeUnit;

public interface WaitStrategy
{
    // a value of below 0 means give up
    long computeWaitUntil(int attempts);
    // a value of below 0 means give up
    long computeWait(int attempts, TimeUnit units);

    enum None implements WaitStrategy
    {
        INSTANCE;

        @Override
        public long computeWait(int attempts, TimeUnit units)
        {
            return -1;
        }

        @Override
        public long computeWaitUntil(int attempts)
        {
            return -1;
        }
    }

}
